Ono Sokki 

Ono Sokki Co., Ltd., together with its subsidiaries, manufactures and sells electronic measuring instruments in Japan and internationally. It provides automotive test systems, flow meters, GPS speed meters, and engine tachometers; sound level meters, microphones, amps, accelerometers, vibration comparators, and laser doppler vibrometers; and torque detectors, torque converters, and motor torques. In addition, it offers digital linear gages, non-contact thickness meters, and rotary and roller encoders; revolving detectors and indicators, speedometers, and portable tachometers; and FFT analyzers and data station software. Further, the company provides custom-made test equipment for R&D and quality control applications; and acoustic/vibration consulting services, after-sales services, engineering services, etc. Ono Sokki Co., Ltd. was incorporated in 1940 and is headquartered in Yokohama, Japan.